Method and apparatus for continuously forming packages



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0d. 31, 1967 H. JENSEN ET AL 3,349,540

METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4 1964 .30 Sheets-Sheet 5 00 o Ma Q: {Q a INVENTORS HANS A. JENSEN AU6L J TUS H. EBERMAN- Oct. 31, 1967 JENSEN ET AL 3,349,540

METHOD AND APPARATUS FOR commuousw FORMING PACKAGES Filed Nov. 4. 1964 .30 Sheets-Sheet 6 AUGUSTUS Oct. 31, 1967 H. A. JENSEN ET AL METHCD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4. 1964 .30 Sheets-Sheet 7 INVENTORS HANS A. JENSEN Augysws H.EBEI2MAN 46 ,XiizwwaiEfiwmd Ulttys.

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METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4. 1964 .30 Sheets-Sheet 8 Oct. 31, 1967 H. A. JENSEN ET AL 3,349,540

METHCD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES .30 Sheets-Sheet 9 Filed Nov. 4, 1964 31, 1967 JENSEN ET AL 3,349,540 METHOD AND APPARATUS FOR commuousw FORMING PACKAGES Filed Nov. 4, 1964 .30 SheetS-Sheet lO fig. 16. 338

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METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed NOV. 4, 1964 .30 Sheets-Sheet 11 fig. 11.

INVENTORS HANS A JENSEN ALGUSTUS H. EBERMAN Oct. 31, 1967 JENSEN ET AL 3,349,540

METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4. 1964 50 Sheets-Sheet, 12

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APPARATUS FOR CONTINUOUSLY FORMING PACKAGES 5O Sheets-Sheet 13 INVENTORS HANS A.JENSEN AUggJSTUS. H. EBEQMAN Oct; 31, 1967 JENSEN ET AL METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES .30 Sheets-Sheet 14.

Filed Ndv. 4, 1964 Oct. 31, H: JENSEN ETAL 3,349,540

MBTHCD AND APPARATUS FOR CONTINUOUSLY :FORMING PACKAGES .30 Sheets-Sheet 1s Filed Nov.

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' Oct. 31, 1967 H. A. JENSEN ET AL I 3,349,540

METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4. 1964 30 Sheets-Sheet, 1s

INVENTORS HANS AJENSEN AUGg STUS H. EBERMAN H. A. JENSEN ET AL Oct. 31, 1967 METHOD AND 'APPARATUS FOR CONTINUOUSLY FORMING PACKAGES .30 Sheets-Sheet 17 Filed Nov. 4, 1964 m3 QMQ Ev m 1 M ,w .5 ski m3 msw fiw 0d. 31, 1967. H JENSEN ETAL 3,349,540

METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4, 1964 50 Sheets-Sheet 1B fig V 466 \xwwx N INVENTORS HANS A JENSEN AUGUSTUS H. EBER'MAN 31, 1967 I JENSEN ET AL 3,3495% METHOD AND APPARATUS FOR CONTINUOUSLY FORMING PACKAGES Filed Nov. 4, 1964 50 Sheets-Sheet 20 fig. 35.

INVENTORS HANS AJENSEN ALGUSTUS H. EBERMAN I $14M, lwwmmew 

4. A METHOD FOR FORMING A PACKAGE OF THE TYPE INCLUDING SUBSTANTIALLY COEXTENSIVE UPPER AND LOWER FILMS SECURED TOGETHER AT THEIR MARGINS IN PRODUCT ENCLOSING RELATION WHEREIN THE LOWER FILM IS FORMED OF THERMOPLASTIC MATERIAL, SAID METHOD INCLUDING THE STEPS OF: ADVANCING A CONTINUOUS WEB OF THERMOPLASTIC FILM, SUCCESSIVELY FORMING RAISED PACKAGE BASES IN THE LOWER FILM IN SPACED RELATION LONGITUDINALLY OF THE LATTER, FORMING AN OPENING IN THE LOWER FILM ADJACENT AND OUTWARD OF THE PERIMETER OF EACH OF SAID BASES, DEPOSITING PRODUCTS ON THE RAISED BASES, ADVANCING A CONTINUOUS WEB OF UPPER FILM AND VACUUM FORMING POCKETS THEREIN IN SPACED RELATION LONGITUDINALLY OF THE UPPER FILM, BRINGING THE UPPER FILM INTO OVERLYING 